pH 12.45 buffer solution (230mL)

Eplerenon,1000 µg/mL,MeOH,1mL,

Methyl parathion, 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 298-00-0

Prilocaine hydrochloride, 100mg